Cheap Flights from Glasgow Intl to London

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Flight deals from Glasgow Intl Airport to London

Looking for a cheap last-minute deal or the best return flight from Glasgow Intl Airport to London? If you want to travel next month, return fares start from $69. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Glasgow Intl to London

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Glasgow Intl to London flights are currently cheapest in April.

Direct flights from Glasgow Intl to London

Glasgow to London: Flight information

The things to know before you go.
Cheapest flight found$35
Cheapest month to flyApril
Average flight time1 hr, 26 mins
Most popular airlineBritish Airways
Average flights per week610

Finding cheap flights from Glasgow Intl to London: Frequently asked questions

There are 6 airports in London: London City, London Heathrow, London Gatwick, London Luton, London Stansted, and London Southend.
The best price we found for a return flight from Glasgow Intl to London is $69. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 25 minutes is the average flight time from Glasgow Intl to London.
British Airways, Qatar Airways and easyJet fly direct from Glasgow Intl to London.
As of April 2026, there are 610 flights per week flying from Glasgow Intl to London.
The cheapest month to fly from Glasgow Intl to London is usually April.
If you're flying from Glasgow Intl Airport, the cheapest airport near London is London Stansted – which is 48.6 km away from the centre of London. We've found flights into this airport from $69.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Glasgow Intl Airport to London on Tuesday, 28 April 2026.
Yes – the average flight time is 1 hour and 25 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 9°C. August is typically the warmest month in London, when it usually averages around 22°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 1°C. The rainiest month is October.
Currently, Ryanair offers the cheapest flight tickets to London.

Flying from Glasgow International Airport (GLA) to London: what you need to know

  • Around 1 hour 25 minutes is how long you can expect to be in the air on a direct flight from Glasgow International Airport to London.

  • London's timezone is UTC+0, which is the same as Glasgow (the location of Glasgow International Airport).

  • Glasgow International Airport (GLA) to London Heathrow Airport (LHR) is the most popular route, with 68 flights a week to pick from. If you prefer a later start to the day, the last flight from GLA to LHR is with British Airways at 21:20. Choose the first departure operated by British Airways at 05:50 if you want to get on your way earlier.

  • Leave plenty of time to get on your GLA to London flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for longer lines during popular months like June. Arriving up to four hours ahead of international flights and two hours for domestic departures will help ensure a smooth travel experience.

  • Book a direct Glasgow International Airport to London ticket and travel straight to your destination. You can arrive at these London airports from GLA:

    • London Heathrow Airport (LHR)

    • London Gatwick Airport (LGW)

    • Stansted Airport (STN)

    • London Luton Airport (LTN)

    • London City Airport (LCY)

  • British Airways is a well-known carrier that offers direct flights from Glasgow International Airport to London.

  • The journey from central Glasgow to GLA takes about 35 minutes by public transport. If you drive, ride-share or grab a cab, you'll cover the 11 kilometres in 15 minutes or so, depending on traffic.

  • Have an early flight from Glasgow International Airport to London? Avoid the hassle of rushing to the airport (and sneak in some extra snooze time) by choosing one of these hotels near GLA:

  • Of all flights leaving Glasgow International Airport, 70.07% arrive as scheduled at their destination.

How to find the cheapest flights from Glasgow International Airport (GLA) to London

  • The lowest price we've found for a one-way Glasgow International Airport to London flight is $35. The cheapest price for a return flight is $69. Keep in mind fares can change due to demand at the time of booking.

  • Book seven months before travelling. Research on pricing trends suggests this is the ideal window for finding cheap flights from GLA to London.

  • Organise your trip for November. That's the best month for landing the biggest deals on Glasgow International Airport to London tickets. If your travel dates are flexible, use the 'Whole month' tool to access the cheapest price across every month.

  • Snapping up a cheap flight from GLA to London is easy with Price Alerts. All you need to do is set up one of these automatic notifications and we'll let you know as soon as a deal gets even better.

  • Tailor your flights with filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Glasgow International Airport to London.

Airports in London

London Heathrow Airport (LHR)

  • London Heathrow Airport (LHR) is around 31 kilometres from central London. If you're grabbing a taxi or a ride-share, the drive takes roughly 55 minutes.

  • If you're travelling by public transport, expect a journey time of around 1 hour.

  • Book a hotel close to LHR if you're coming in on a late flight from Glasgow International Airport to London. Select one of these accommodation options and make arrival day easier:

  • Grab a London Heathrow Airport rental car and explore London and beyond with your own wheels. Surprice, U-Save and Green Motion are leading providers to choose from here.

  • Lock in the best rate by reserving your ride from London Heathrow Airport around one week ahead of your flight from GLA to London.

London Gatwick Airport (LGW)

  • London Gatwick Airport (LGW) is about 80 kilometres from the centre of London. Following your flight from Glasgow International Airport to London, it'll take you around 1 hour 20 minutes to get to the heart of the city in a ride-share or cab.

  • You can expect the trip to take roughly 30 minutes on public transport.

  • There are some comfortable places ready to welcome you near LGW. Unwind and get cosy after your GLA to London flight at any of these perfectly located options:

  • The quickest way to reach your destination is with a London Gatwick Airport rental car. Pick up your wheels from Green Motion, U-Save or Drivalia and hit the road in a heartbeat.

  • Lock in the best price by reserving your ride from LGW three weeks ahead of time. You can also expect to have a greater selection of vehicles.

Stansted Airport (STN)

  • Stansted Airport (STN) is about 64 kilometres from central London. It'll take you about 1 hour to reach the city centre by car once you've stepped off your flight from Glasgow International Airport to London.

  • Public transport will get you there in about 1 hour 25 minutes.

  • Enjoy an unhurried start to your break by choosing a hotel near STN after your GLA to London flight. Take a load off after a long travel day or just give yourself time to get your footing in a new city at:

  • Be in control of the next part of your journey by picking up a Stansted Airport rental car. Green Motion, Drivalia and Europcar are some companies you can book with.

  • Around four weeks before your flight from Glasgow International Airport to London is the ideal time to secure your ride from STN. You're more likely to get a better rate or catch some early booking discounts.

Best time to go to London

  • Before locking in your flights from Glasgow International Airport to London, consider which time of year works best for you. High season in London offers a bustling atmosphere and plenty of activities, while the low season means you'll get better deals on hotels and smaller crowds.

  • Book a Glasgow International Airport to London plane ticket with a departure in July if you're eager to visit the city during its warmest month. Expect temperatures to range from 11ºC to 26ºC.

  • January has average temperatures of between 0ºC and 9ºC. Search for a cheap ticket from GLA to London around that time if you want to travel in cooler conditions.

More about London

  • Start your London trip right by choosing the ideal place to stay. Once you've booked your flight from Glasgow International Airport to London, explore our range of accommodation options including:

  • There are so many things to explore in this city it can be difficult to know where to start. The British Museum, Big Ben and Buckingham Palace are popular attractions which should be on every London itinerary.

Explore more of United Kingdom

  • You've done London, now it's time to discover more of United Kingdom. Travel around 161 kilometres north-west to Birmingham to check off its top attractions. From Cadbury World to The Library of Birmingham and National Sea Life Centre, there's plenty to keep you busy.

  • Around 177 kilometres west of London, Bristol is another favourite stop in United Kingdom. Experience major highlights starting with Clifton Suspension Bridge, Cabot Tower and Brandon Hill Nature Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.